โ–ถ[Efficient Filtration]: Organic carbon block triple filtration technology reduces chlorine gas, iron, mercury and other pollutants. In addition to keeping you safe from unwanted chemicals and particulates, this filter is designed to even remove off-flavors and odors. Do better drinking water. โ–ถ[NSF Certified]: Our products are NSF certified, reliable and easy to install. filtering out 99.99% of chlorine and sediment. (NSF 42) โ–ถ[Compatible Models]: DA-97-08006A-B and HAF-CIN/EXP. Comparable Part Numbers: DA29-00020B, DA29-00020A, HAF-CIN, HAF-CIN-EXP, HAF-CINEXP, HAFCIN, 04609101000, 09101, 46-9101, 469101, DA-97-08006A, DA-97-08006A-B, DA-97-08006B, DA29-00019A, DA2900019A, DA2900020A, DA2900020B, DA97-08006A-B, etc.